Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (873,864 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection :1
Gerald Hankins
cancer pathobiology
natural compounds for cancer treatment
photodynamic therapy
Metrics
H-Index
i10 Index
Citation
27
39
4,132
Thangasamy Saminathan
Genetics
molecular biology
genomics and groundwater remediation
Metrics
H-Index
i10 Index
Citation
16
19
918
* Rankings
Ranking Based On Selection :11
Venu Perla
Nutraceuticals
Nanoscience & Technology
Biomedical Engineering
Tissue Engineering
Plant Physiology
Metrics
H-Index
i10 Index
Citation
10
12
835
John Idenyi
Biotechnology
Aquaculture
Gene expression
Bioinformatics
Microbiome
Metrics
H-Index
i10 Index
Citation
9
9
282
Anne Mcconnell
Contemporary literature
comparative literature
critical theory
ecocriticism
animal studies
Metrics
H-Index
i10 Index
Citation
4
0
29
Manashi Ray
Globalization
Migration and Refugee Studies. Transnationalism
Social Networks
Gender and India
Metrics
H-Index
i10 Index
Citation
3
3
64
Thomas J Kiddie
business communication
technical writing
comparative literature
Metrics
H-Index
i10 Index
Citation
2
2
51
Raphael Mutepa
Qualitative Research
Constructivist Research
HIV/AIDS
Human Behavior in the Social Environment
Metrics
H-Index
i10 Index
Citation
2
2
36
Dinesh Ghimire
Agriculture
Plant breeding
Computational Biology
Statistics
Quantitative Genetics
Metrics
H-Index
i10 Index
Citation
1
0
3
Rankings
Ranking Based On Selection: 1
Gerald Hankins
Metrics
H-Index
i10 Index
Citation Counts
27
39
4,132
cancer pathobiology
natural compounds for cancer treatment
photodynamic therapy
Rankings
Ranking Based On Selection: 2
Padma Nimmakayala
Metrics
H-Index
i10 Index
Citation Counts
25
40
1,762
Rankings
Ranking Based On Selection: 3
Ruhnke
Metrics
H-Index
i10 Index
Citation Counts
19
25
740
Rankings
Ranking Based On Selection: 4
Sudip Kumar Dutta
Metrics
H-Index
i10 Index
Citation Counts
18
29
827
Rankings
Ranking Based On Selection: 5
Purushothaman Natarajan
Metrics
H-Index
i10 Index
Citation Counts
17
28
1,470
Rankings
Ranking Based On Selection: 6
Thangasamy Saminathan
Metrics
H-Index
i10 Index
Citation Counts
16
19
918
Genetics
molecular biology
genomics and groundwater remediation
Rankings
Ranking Based On Selection: 7
Sridhar A Malkaram
Metrics
H-Index
i10 Index
Citation Counts
16
20
969
Rankings
Ranking Based On Selection: 8
Amir Hass
Metrics
H-Index
i10 Index
Citation Counts
13
15
954
Rankings
Ranking Based On Selection: 9
Venkatagopinath Vajja
Metrics
H-Index
i10 Index
Citation Counts
12
15
585
Rankings
Ranking Based On Selection: 10
Fernando Rojano Aguilar
Metrics
H-Index
i10 Index
Citation Counts
11
12
495
Rankings
Ranking Based On Selection: 11
Venu Perla
Metrics
H-Index
i10 Index
Citation Counts
10
12
835
Nutraceuticals
Nanoscience & Technology
Biomedical Engineering
Tissue Engineering
Plant Physiology
Rankings
Ranking Based On Selection: 12
John Idenyi
Metrics
H-Index
i10 Index
Citation Counts
9
9
282
Biotechnology
Aquaculture
Gene expression
Bioinformatics
Microbiome
Rankings
Ranking Based On Selection: 13
Krishna Reddy Challa
Metrics
H-Index
i10 Index
Citation Counts
8
8
392
Rankings
Ranking Based On Selection: 14
Carmen Ld Nichols
Metrics
H-Index
i10 Index
Citation Counts
7
6
284
Rankings
Ranking Based On Selection: 15
Rajesh Kumar Jha
Metrics
H-Index
i10 Index
Citation Counts
6
6
251
Plant Molecular Biology
Abiotic stress
Bio-energy.
Rankings
Ranking Based On Selection: 16
Mohamed Megahed
Metrics
H-Index
i10 Index
Citation Counts
6
3
269
Rankings
Ranking Based On Selection: 17
Anne Mcconnell
Metrics
H-Index
i10 Index
Citation Counts
4
0
29
Contemporary literature
comparative literature
critical theory
ecocriticism
animal studies
Rankings
Ranking Based On Selection: 18
Natalia A Montenegro-Garcia
Metrics
H-Index
i10 Index
Citation Counts
3
1
19
Environmental Microbiology
Microbiome
Biotechnology
Rankings
Ranking Based On Selection: 19
Manashi Ray
Metrics
H-Index
i10 Index
Citation Counts
3
3
64
Globalization
Migration and Refugee Studies. Transnationalism
Social Networks
Gender and India
Rankings
Ranking Based On Selection: 20
Waheed Mahmoud
Metrics
H-Index
i10 Index
Citation Counts
3
2
68
Rankings
Ranking Based On Selection: 21
Thomas J Kiddie
Metrics
H-Index
i10 Index
Citation Counts
2
2
51
business communication
technical writing
comparative literature
Rankings
Ranking Based On Selection: 22
Mark L Wilson
Metrics
H-Index
i10 Index
Citation Counts
2
2
45
Rankings
Ranking Based On Selection: 23
Raphael Mutepa
Metrics
H-Index
i10 Index
Citation Counts
2
2
36
Qualitative Research
Constructivist Research
HIV/AIDS
Human Behavior in the Social Environment
Rankings
Ranking Based On Selection: 24
Tammy Vance
Metrics
H-Index
i10 Index
Citation Counts
1
1
32
Rankings
Ranking Based On Selection: 25
Jeffrey Pietruszynski
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Rankings
Ranking Based On Selection: 26
Dinesh Ghimire
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Agriculture
Plant breeding
Computational Biology
Statistics
Quantitative Genetics